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The school bus endorsement applies to applicants who wish to drive a school bus in any Class A or B CDL. To add an S endorsement to your CLP/CDL, you must pass the Delaware school bus test, and you must also pass skills tests in a school bus. The DE CDL bus test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The knowledge test covers the following sections of the Delaware CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this DE CDL practice test to prepare for the actual bus test!
1. If a bus has a restroom:
the restroom emergency buzzer must be in safe working condition.
the restroom must have a window.
the restroom must have an emergency exit.
All of the above.
2. Pre-trip inspections:
should always be done in the same order.
are optional when the driver is familiar with the vehicle.
should not be done when a vehicle inspection report is available.
should not be done unless the vehicle has problems that could cause a breakdown.
3. When checking your mirrors you should:
only use the passenger side mirror.
not make regular checks.
use both mirrors.
only use the driver side mirror.
4. Of all the space around your vehicle, the most important is:
the area to the sides of the vehicle.
All areas around the vehicle are equally important.
the area behind the vehicle.
the area ahead of the vehicle.
5. Which of the following is a special danger of loading and unloading a bus?
Students may drop an object near the bus.
Student clothing or accessories accessories may be caught in the handrail or door as they exit the bus.
Students may disappear from the driver's sight.
All of the above.
6. If your vehicle has power steering, during your pre-trip external inspection you must check that:
there are 2 lit red lights indicating it's there.
the engine rpm is down close to idle.
there are no power steering fluid leaks or damage to the power steering hoses.
there's a function light.
7. When a rider wants to board the bus with a car battery, you should:
put the car battery in the aisle.
put the car battery at the back of the bus.
not allow the car battery on the bus.
check that the battery does not contain any gasoline.
8. ABS (Anti-lock Braking System):
keeps your wheels from locking when you apply the brakes hard.
does not decrease or increase your normal braking capability.
is an addition to your normal brakes.
All of the above.
9. Even if you are not required to always stop at railroad crossings and you are sure no train is approaching, you must stop before reaching the crossing if:
there is oncoming traffic.
you can drive completely through the crossing without stopping.
the tracks are not clear.
there is no oncoming traffic.
10. School bus drivers should position the outside convex mirrors to see:
the area from the front of the bus to the service door.
the right and left front tires touching the ground.
the front of the rear tires touching the ground.
the top of the rear window.
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DE School Bus Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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